424 BULLETIN 50^ UNITED STATES NATIONAL MUSEUM. 



Uranomitra quadricolor Elliot, Classif. and Synop. Troch., 1879, 196. — Ber- 

 LEPSCH, Proc. U. S. Nat. Mus., xi, 1889, 561 (crit.). — Lantz, Trans. Kansas 

 Ac. Sci. for 1896-97 (1899), 221 (Culiacdn, Sinaloa). 



Cyanomya (Leucolia) quadricolor Mulsant and Verreaux, Hist. Nat. Ois.- 

 Mouch., iv, livr. 3, 1878, 169 (crit.). 



Leucolia quadricolor Mulsant and Verreaux, Classif. Troch., 1866, 81: Hist. 

 Nat. Ois.-Mouch., i, livr. 3, 1874, 215 (Orizaba). 



[Polytm.us\ quadricolor Gray, Hand-list, i, 1869, 133, no. 1710. 



U[ranomitrd\ ellioti Berlepsch, Proc. U. S. Nat. Mus., xi, Sept. 25, 1889, 562, 

 in text (Mazatlan, Sinaloa; coll. U. S. Nat. Mus.). 



Cyanomyia ellioti Jovy, Proc. U. S. Nat. Mus., xvi, Apr. 18, 1894, 784 (Guadala- 

 jara, Lake Chapala, and Barranca Ibarra, Jalisco). 



AMIZILIS VIOLICEPS (Gould). 



VIOLET-CROWNED HUMMING BIRD. 



Adult male. — Pileum bright metallic blue, violet-blue, or bluish 

 violet; hindneck, upper back, scapulars, and wing-coverts dull 

 metallic bronze-green, becoming brighter green or bronze-green next 

 to white of foreneck, passing into ohve glossed with bronze or bronze- 

 green on lower back and rump, the feathers of which are indistinctly 

 margined terminally with paler; upper tail-coverts bronzy ohve to 

 dull coppery bronze, margined terminally with dull whitish or pale 

 dull grayish buffy; tail olive-bronze to coppery bronze, the rectrices 

 margined with bronze; remiges dusky, faintly glossed with violet; 

 suborbital, rictal, and malar regions and under parts (including under 

 tail-coverts) immaculate wliite, the extreme outer portion of sides 

 brownish gray or drab; bill pale brownish (rosy or carmine red in 

 life), the tip dusky; kis dark brown; feet dusky; length (skins), 

 101-109 (104); wing, 56-60 (58.5); tail, 31-35 (33.4); cuhnen, 

 20.5-23.5 (21.6).« 



Adult female. — Similar to the adult male and not always distin- 

 guishable, but usually slightly duller in coloration, especially the 

 pileum, which is usually duller and less violaceous, sometimes partly 

 greenish blue; length (skms), 100-107 (104); wing, 54.5-59.5 (57); 

 tail, 31-33 (32.3); cuhnen, 21.5-23.5 (22.4).'' 



Young. — Essentially like adults, but pileum dusky or duller blue, 

 the feathers tipped with rusty brown, feathers of rump tipped with 

 buffy, upper tail-coverts margined with buffy, rectrices narrowly 

 tipped with buffy or pale cinnamon, and sides suffused with buffy. 



Southern Mexico, in States of Puebla (Atlixco), Morelos (Cuerna- 

 vaca; Puenta de Ixtla), Michoacan (La Salada), Guerrero (Cliilpan- 

 cingo; Acahuitzotla ; Iguala; Venta de Zopilote; Sierra Madre del 

 Sur), and Oaxaca (Putla; Oaxaca; Santa Efigenia ; Tapana). 



Cyanomyia violiceps Gould, Ann. and Mag. N. H., 1859, iv, 97 (Atlixco, Puebla; 

 coll. J. Gould); Mon. Troch., v, 1860, pi. 285; Introd. Troch., oct. ed., 1861, 

 147.— Sclater, Proc. Zool. Soc. Lond., 1859, 386 (Atlixco).— D' Oca, La 



o Sixteen Bpecimens. ^ Five Bpecimene. 



